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Prevent duplicate entries in passphrase wordlists

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Replace a QVector for the wordlist with a QSet. This removes all duplicate entries in a given wordlist.
Thus, it hinders a malicious wordlist that has the proper length (>4000 entries) but with repetitions (effectively << 4000 entries) to be used and potentially create weaker passphrases than estimated.

Example:
List with 4000 items but only 64 unique words would lead to only 48 bit of Entropy instead of ~95 bit!
This commit is contained in:
Jonathan White 2024-09-13 22:48:16 -04:00
parent 0ae88131f6
commit ad9ef88e15
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GPG key ID: 440FC65F2E0C6E01
8 changed files with 48 additions and 27 deletions
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tests/TestPassphraseGenerator.h
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@ -27,6 +27,7 @@ class TestPassphraseGenerator : public QObject
private slots:
void initTestCase();
void testWordCase();
void testUniqueEntriesInWordlist();
};
#endif // KEEPASSXC_TESTPASSPHRASEGENERATOR_H